Re: [PATCH 1/3] dt-bindings: watchdog: Convert QCOM watchdog timer bindings to YAML

From: Rob Herring
Date: Thu Dec 19 2019 - 18:26:20 EST


On Fri, Dec 13, 2019 at 10:23:18AM +0530, Sai Prakash Ranjan wrote:
> Convert QCOM watchdog timer bindings to DT schema format using
> json-schema.
>
> Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan@xxxxxxxxxxxxxx>
> ---
> .../devicetree/bindings/watchdog/qcom-wdt.txt | 28 -----------
> .../bindings/watchdog/qcom-wdt.yaml | 47 +++++++++++++++++++
> 2 files changed, 47 insertions(+), 28 deletions(-)
> delete mode 100644 Documentation/devicetree/bindings/watchdog/qcom-wdt.txt
> create mode 100644 Documentation/devicetree/bindings/watchdog/qcom-wdt.yaml


> diff --git a/Documentation/devicetree/bindings/watchdog/qcom-wdt.yaml b/Documentation/devicetree/bindings/watchdog/qcom-wdt.yaml
> new file mode 100644
> index 000000000000..4a42f4261322
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/watchdog/qcom-wdt.yaml
> @@ -0,0 +1,47 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: "http://devicetree.org/schemas/watchdog/qcom-wdt.yaml#";
> +$schema: "http://devicetree.org/meta-schemas/core.yaml#";
> +
> +title: Qualcomm Krait Processor Sub-system (KPSS) Watchdog timer
> +
> +maintainers:
> + - Andy Gross <agross@xxxxxxxxxx>
> +
> +properties:
> + compatible:
> + oneOf:
> + - const: qcom,kpss-timer
> + - const: qcom,kpss-wdt
> + - const: qcom,kpss-wdt-apq8064
> + - const: qcom,kpss-wdt-ipq4019
> + - const: qcom,kpss-wdt-ipq8064
> + - const: qcom,kpss-wdt-msm8960
> + - const: qcom,scss-timer

An 'enum' is better than oneOf+const.

> +
> + reg:
> + maxItems: 1
> +
> + clocks:
> + maxItems: 1
> +
> + timeout-sec:
> + $ref: /schemas/types.yaml#/definitions/uint32
> + description:
> + Contains the watchdog timeout in seconds. If unset, the
> + default timeout is 30 seconds.

Include watchdog.yaml and don't redefine this.

> +
> +required:
> + - compatible
> + - reg
> + - clocks
> +
> +examples:
> + - |
> + watchdog@208a038 {
> + compatible = "qcom,kpss-wdt-ipq8064";
> + reg = <0x0208a038 0x40>;
> + clocks = <&sleep_clk>;
> + timeout-sec = <10>;
> + };
> ---
>
> I have added Andy as the maintainer here since the get_maintainer script
> showed him. If he is not happy, then I can change it to Bjorn probably and
> again if he is not happy ;-) then I will add myself or whoever they suggest.

Add yourself.

Rob